P Block Elements · 2008 · Shift 1
5 Chemistry questions from this JEE Advanced paperGuest · try one question or challengeGuest · try one question or challenge
P Block Elements · 2008 · Shift 1
5 Chemistry questions from this JEE Advanced paper
- Q10.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):Chemistry · P Block Elements · Multiple correct
- Q13.Statement 1 : Pb compounds are stronger oxidising agents than Sn 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…Chemistry · P Block Elements · MCQ
- Q18.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…Chemistry · P Block Elements · MCQ
- Q19.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…Chemistry · P Block Elements · MCQ
- Q20.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…Chemistry · P Block Elements · MCQ