JEE Previous Year Question
Which of the following statement is wrong?
Topic: JEE PYQ
Answer: A, D. Full step-by-step solution below.
- AThe stability of hydrides increase from to in group 15 of the periodic table :
- BNitrogen cannot form dπ-pπ bond.
- CSingle N – N bond is weaker than the single P – P bond.
- D has two resonance structure
Correct answer: A, D
Solution
(a,d) The stability of hydrides decreases from to which can be observed from their bond dissociation enthalpy. The correct order is < < < < .Property
(E–H) / kJ 389 322 297 255 –
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