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P Block Elements

66 questions · Chemistry · JEE Advanced

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JEE Advanced
Chemistry
P Block Elements

P Block Elements

66 questions · Chemistry · JEE Advanced

The heating of $N H_{4} N O_{2}$ at 60–70 °C and $N H_{4} N O_{3}$ at 200–250 °C is associated with the formation of nitrogen containing compounds X and Y, respectively. X and Y, respectively, are2025 · Shift 1 · Q1 · MCQ
The complete hydrolysis of $I C l$ , $C l F_{3}$ and $B r F_{5}$ , respectively, gives :2025 · Shift 2 · Q2 · MCQ
The compound(s) with P–H bond(s) is(are)2025 · Shift 2 · Q6 · Multiple correct
At room temperature, disproportionation of an aqueous solution of in situ generated nitrous acid $(HNO_{2})$ gives the species2024 · Shift 1 · Q2 · MCQ
The species formed on fluorination of phosphorus pentachloride in a polar organic solvent are2024 · Shift 2 · Q4 · MCQ
The compound(s) having peroxide linkage is(are)2024 · Shift 2 · Q7 · Multiple correct
Match the reactions (in the given stoichiometry of the reactants) in List-I with one of their products given in List-II and choose the correct option. Includes table2023 · Shift 1 · Q14 · MCQ
Dissolving $NaOH$ of white phosphorous in boiling $NaOH$ solution in an inert atmosphere gives a gas $Q$ . The amount of $CuSO_{4}$ (in g) required to completely consume the gas $Q$ is …2022 · Shift 1 · Q5 · Numerical
The compound(s) which react(s) with $NH_{3}$ to give boron nitride (BN) is(are)2022 · Shift 2 · Q11 · Multiple correct
The reaction of $HClO_{3}$ with $HCl$ gives a paramagnetic gas, which upon reaction with $O_{3}$ produces2022 · Shift 2 · Q16 · MCQ
The reaction of $Pb (NO_{3})_{2}$ and $NaCl$ in water produces a precipitate that dissolves upon the addition of $HCl$ of appropriate concentration. The dissolution of the precipitate is due to…2022 · Shift 2 · Q17 · MCQ
The correct statement(s) related to oxoacids of phosphorous is(are)2021 · Shift 2 · Q6 · Multiple correct
With respect to hypochlorite, chlorate and perchlorate ions, choose the correct statement(s).2020 · Shift 1 · Q11 · Multiple correct
A colourless aqueous solution contains nitrates of two metals, X and Y. When it was added to an aqueous solution of $N a C l$ , a white precipitate was formed. This precipitate was found to be partly soluble in hot water to give a residue P…2020 · Shift 1 · Q3 · MCQ
Among $B_{2} H_{6}$ , $B_{3} N_{3} H_{6}$ , $N_{2} O$ , $N_{2} O_{4}$ , $H_{2} S_{2} O_{3}$ and $H_{2} S_{2} O_{8}$ , the total number of molecules containing covalent bond between two atoms of the same kind is ...................2019 · Shift 1 · Q13 · Numerical
At 143 K, the reaction of $X e F_{4}$ with $O_{2} F_{2}$ produces a xenon compound Y. The total number of lone pair(s) of electrons present on the whole molecule of Y is .................2019 · Shift 1 · Q17 · Numerical
A tin chloride Q undergoes the following reactions (not balanced) $Q + C l^{-} \to X Q + M e_{3} N \to Y Q + C u C l_{2} \to Z + C u C l$ X is a monoanion having pyramidal geometry. Both Y and Z are neutral compounds. Choose the correct option(s).2019 · Shift 1 · Q6 · Multiple correct
Consider the following reactions (unbalanced). $Z n + H o t co n c . H_{2} S O_{4} ⟶ G + R + X Z n + co n c . N a O H ⟶ T + QG + H_{2} S + N H_{4} O H ⟶ Z (a p r ec i p i t a t e) + X + Y$ …2019 · Shift 2 · Q4 · Multiple correct
The compounds(s) which generate(s) $N_{2}$ gas upon thermal decomposition below $30 0^{\circ} C$ is (are)2018 · Shift 1 · Q3 · Multiple correct
Based on the compounds of group $15$ elements, the correct statement(s) is (are)2018 · Shift 1 · Q4 · Multiple correct
The total number of compounds having at least one bridging oxo group among the molecules given below is . $N_{2} O_{3}, N_{2} O_{5}, P_{4} O_{6}, P_{4} O_{7}, H_{4} P_{2} O_{5}, H_{5} P_{3} O_{10}, H_{2} S_{2} O_{3}, H_{2} S_{2} O_{5}$ …2018 · Shift 2 · Q4 · Numerical
The color of the $X_{2}$ molecules of group $17$ elements changes gradually from yellow to violet down the group. This is due to2017 · Shift 1 · Q1 · Multiple correct
The correct statement(s) about the oxoacids, $H C l O_{4}$ and $H C l O$ is (are)2017 · Shift 1 · Q3 · Multiple correct
Among the following, the correct statement(s) is (are)2017 · Shift 2 · Q10 · Multiple correct
Upon heating $K C l O_{3}$ in the presence of catalytic amount of $M n O_{2},$ a gas $W$ is formed. Excess amount of $W$ reacts with white phosphorous to give $X .$ The reaction of $X$ with pure $H N O_{3}$ gives $Y$ and $Z .$ $Y$ and $Z$ are,…2017 · Shift 2 · Q2 · MCQ
Upon heating $K C l O_{3}$ in the presence of catalytic amount of $M n O_{2},$ a gas $W$ is formed. Excess amount of $W$ reacts with white phosphorous to give $X .$ The reaction of $X$ with pure $H N O_{3}$ gives $Y$ and $Z .$ $W$ and $X$ are,…2017 · Shift 2 · Q4 · MCQ
The crystalline form of borax has.2016 · Shift 1 · Q14 · Multiple correct
The increasing order of atomic radii of the following group 13 elements is2016 · Shift 1 · Q15 · MCQ
The nitrogen containing compound produced in the reaction of $H N O_{3}$ with P4O $_{10}$ 2016 · Shift 2 · Q16 · Multiple correct
The number of lone pairs of electrons in N $_{2}$ O $_{3}$ is .2015 · Shift 1 · Q11 · Numerical
Three moles of $B_{2} H_{6}$ are completely reacted with methanol. The number of moles of boron containing product formed is .2015 · Shift 2 · Q11 · Numerical
The correct statements regarding (i) $H C l O$ , (ii) $H C l O_{2}$ , (iii) $H C l O_{3}$ and (iv) $H C l O_{4}$ is (are)2015 · Shift 2 · Q15 · Multiple correct
The correct statement(s) for orthoboric acid is/are2014 · Shift 1 · Q15 · Multiple correct
Under ambient conditions, the total number of gases released as products in the final step of the reaction scheme shown below is Includes diagram2014 · Shift 2 · Q10 · MCQ
The product formed in the reaction of $S O C l_{2}$ with white phosphorus is2014 · Shift 2 · Q9 · MCQ
Concentrated nitric acid, upon long standing, turns yellow-brown due to the formation of2013 · Shift 1 · Q13 · MCQ
The correct statement(s) about $O_{3}$ is(are)2013 · Shift 2 · Q10 · Multiple correct
The reaction of $C l_{2}$ gas with cold-dilute and hot-concentrated $N a O H$ in water give sodium salts of two (different) oxoacids of chlorine, P and Q, respectively. The $C l_{2}$ gas reacts with $S O_{2}$ gas, in presence of charcoal, to give a…2013 · Shift 2 · Q17 · MCQ
The reaction of $C l_{2}$ gas with cold-dilute and hot-concentrated $N a O H$ in water give sodium salts of two (different) oxoacids of chlorine, P and Q, respectively. The $C l_{2}$ gas reacts with $S O_{2}$ gas, in presence of charcoal, to give a…2013 · Shift 2 · Q18 · MCQ
The unbalanced chemical reactions given in List I show missing reagent or condition (?) which are provided in List II. Match List I with List II and select the correct answer using the code given below the lists : Includes table2013 · Shift 2 · Q19 · MCQ
Which ordering of compounds is according to the decreasing order of the oxidation state of nitrogen?2012 · Shift 1 · Q10 · MCQ
Which of the following hydrogen halides reacts with $A g N O_{3}$ (aq.) to give a precipitate that dissolves in $N a_{2} S_{2} O_{3}$ (aq.) ?2012 · Shift 1 · Q15 · Multiple correct
Bleaching powder and bleach solution are produced on a large scale and used in several household products. The effectiveness of bleach solution is often measured by iodometry.Bleaching powder contains a salt of an oxoacid as one of its…2012 · Shift 2 · Q13 · MCQ
Bleaching powder and bleach solution are produced on a large scale and used in several household products. The effectiveness of bleach solution is often measured by iodometry.25 mL of household bleach solution was mixed with 30 mL of 0.50…2012 · Shift 2 · Q14 · MCQ
With respect to graphite and diamond, which of the statement(s) given below is(are) correct?2012 · Shift 2 · Q19 · Multiple correct
The reaction of white phosphorous with aqueous NaOH gives phosphine along with another phosphorus containing compound. The reaction type; the oxidation states of phosphorus in phosphine and the other product are, respectively,2012 · Shift 2 · Q7 · MCQ
Extra very pure $N_{2}$ can be obtained by heating2011 · Shift 1 · Q14 · MCQ
Among the following, the number of compounds that can react with $P C l_{5}$ to given $P O C l_{3}$ is . $O_{2}$ , $C O_{2}$ , $S O_{2}$ , $H_{2} O$ , $H_{2} S O_{4}$ , $P_{4} O$ {}_{10}2011 · Shift 2 · Q17 · Numerical
The value of $n$ in the molecular formula $B e_{n} A l_{2} S i_{6} O_{18}$ is .2010 · Shift 1 · Q28 · Numerical
All the compounds listed in Column I react with water. Match the result of the respective reactions with the appropriate options listed in Column II. Includes table2010 · Shift 2 · Q19 · MCQ
The total number of diprotic acids among the following is: $H_{3} P O_{4}$ , $H_{2} S O_{4}$ , $H_{3} P O_{3}$ , $H_{2} C O_{3}$ , $H_{2} S_{2} O_{7}$ , $H_{3} B O_{3}$ , $H_{3} P O_{2}$ , $H_{2} C r O_{4}$ and $H_{2} S O_{3}$ 2010 · Shift 2 · Q8 · Numerical
The reaction of P $_{4}$ with X leads selectively to P $_{4}$ O $_{6}$ . The X is2009 · Shift 1 · Q6 · MCQ
Match each of the reactions given in Column I with the corresponding product(s) given in Column II: Includes table2009 · Shift 2 · Q10 · MCQ
In the reaction $2X + B_{2} H_{6} \to [B H_{2} (X)_{2}]^{+} [B H_{4}]^{-}$ the amine(s) X is(are) :2009 · Shift 2 · Q7 · Multiple correct
The nitrogen oxide(s) that contain(s) N-N bond(s) is(are)2009 · Shift 2 · Q8 · Multiple correct
A solution of colourless salt H on boiling with excess NaOH produces a non-flammable gas. The gas evolution ceases after sometime. Upon addition of Zn dust to the same solution, the gas evolution restarts. The colourless salt(s) H is(are):2008 · Shift 1 · Q10 · Multiple correct
Statement 1 : Pb $^{4 +}$ compounds are stronger oxidising agents than Sn $^{4 +}$ compounds. and Statement 2 : The higher oxidation states for the group 14 elements are more stable for the heavier members of the group due to 'inert pair…2008 · Shift 1 · Q13 · MCQ
There are some deposits of nitrates and phosphates in earth's crust. Nitrates are more soluble in water. Nitrates are difficult to reduce under the laboratory conditions but microbes do it easily. Ammonia forms large number of complexes…2008 · Shift 1 · Q18 · MCQ
There are some deposits of nitrates and phosphates in earth's crust. Nitrates are more soluble in water. Nitrates are difficult to reduce under the laboratory conditions but microbes do it easily. Ammonia forms large number of complexes…2008 · Shift 1 · Q19 · MCQ
There are some deposits of nitrates and phosphates in earth's crust. Nitrates are more soluble in water. Nitrates are difficult to reduce under the laboratory conditions but microbes do it easily. Ammonia forms large number of complexes…2008 · Shift 1 · Q20 · MCQ
Statement 1 : In water, orthoboric acid behaves as a weak monobasic acid. Statement 2 : In water, orthoboric acid acts as a proton donor.2007 · Shift 1 · Q11 · MCQ
The noble gases have closed-shell electronic configuration and are monoatomic gases under normal conditions. The low boiling points of the lighter noble gases are due to weak dispersion forces between the atoms and the absence of other…2007 · Shift 1 · Q14 · MCQ
The noble gases have closed-shell electronic configuration and are monoatomic gases under normal conditions. The low boiling points of the lighter noble gases are due to weak dispersion forces between the atoms and the absence of other…2007 · Shift 1 · Q15 · MCQ
The noble gases have closed-shell electronic configuration and are monoatomic gases under normal conditions. The low boiling points of the lighter noble gases are due to weak dispersion forces between the atoms and the absence of other…2007 · Shift 1 · Q16 · MCQ
The percentage of p-character in the orbitals forming P-P bonds in P 4 is2007 · Shift 1 · Q7 · MCQ
STATEMENT-1 : Band gap in germanium is small. STATEMENT-2 : The energy gap of each germanium atomic energy level is infinitesimally small.2007 · Shift 2 · Q2 · MCQ