The p-Block Elements questions
1863 published questions with worked solutions.
- Which of the following forms of phosphorus is most stable?
- In the case of nitrogen, NCl_3 is possible but not NCl_5, while in the case of phosphorus, both PCl_3 and PCl_5 are possible....
- By the action of hot concentrated H_2SO_4, phosphorus changes to
- Phosphine is prepared by the reaction of
- The number of hydrogen atoms attached to phosphorus atoms in pyrophosphorous acid (H_4P_2O_5) is
- What may be expected to happen when phosphine gas is mixed with chlorine gas?
- Ammonium nitrate decomposes on heating into
- Nitrous oxide
- In NH_3 and PH_3, the common property is
- Which of the following compounds do not exist?
- Among the following nitrates — lead nitrate, sodium nitrate, silver nitrate and ammonium nitrate — the one that decomposes...
- Nitrous oxide is known as
- Nitrogen dioxide
- Which of the following compounds shows sublimation?
- Nitric oxide is prepared by the action of HNO_3 on
- When H_2S gas is passed through nitric acid, the product is
- Sulphur on boiling with NaOH solution gives
- The halogen showing the maximum coordination number of sulphur in SX_n halides is
- The S-S-S bond angle in the S_8 molecule is
- When sulphur is boiled with Na_2SO_3 solution, the compound formed is
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