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OMEGA PUBLICATION-THE P-BLOCK ELEMENTS-MULTIPLE CHOICE QUESTIONS
- The most abundant element in the earth's crust is:
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- Which of the following element has maximum electron gain enthapy(neg...
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- Which of the following has highest ionisation enthalpy? P, N, As, Sb.
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- General electronic configuration of element of Group 16 is :
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- Among the following which is the strongest oxidising agents: Br2, I2, ...
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- Which of the following does not exist? XeOF4, NeF2, XeF2, XeF6.
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- Ammonia is, in general,
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- What is laughing gas ?
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- Which of the following compound is explosive?
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- Hydrogen from HCl can be prepared by
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- The bond angle H-N-H in ammonia molecule is
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- In the structure of ClF3 , the number of lone pairs of electrons on ce...
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- CH3 COCl can be obtained directly by reacting PCl5 with
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- Which of the following is most volatile?
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- The oxidation number of P in HP(2)O(7)^(-) ion is
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- Which acid would you expect to be stronger ? CH(3)COOH or HCOOH
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- Maximum covalency of sulphur is :
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- Which of the following element has maximum electron gain enthapy(neg...
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- Give the structure and basicity of H3PO2.
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- The basicity of phosphorus acid is :
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