1
AIPMT 2015
MCQ (Single Correct Answer)
+4
-1
The variation of the boiling points of the hydrogen halides is in the order HF > HI > HBr > HCl.
What explains the higher boiling point of hydrogen fluoride?
What explains the higher boiling point of hydrogen fluoride?
2
AIPMT 2015
MCQ (Single Correct Answer)
+4
-1
Strong reducing behavior of H3PO2 is due to
3
AIPMT 2015
MCQ (Single Correct Answer)
+4
-1
The formation of the oxide ion, O2$$-$$(g) from oxygen atom requires first an exthermic and then an endothermic step as shown below:
O(g) + e$$-$$ $$ \to $$ O$$-$$(g); $$\Delta $$fHo = $$-$$141 kJ mol$$-$$1
O$$-$$(g) + e$$-$$ $$ \to $$ O2$$-$$(g); $$\Delta $$fHo = +780 kJ mol$$-$$1
Thus, process of formation of O2$$-$$ is isoelectronic with neon. It is due to the fact that,
O(g) + e$$-$$ $$ \to $$ O$$-$$(g); $$\Delta $$fHo = $$-$$141 kJ mol$$-$$1
O$$-$$(g) + e$$-$$ $$ \to $$ O2$$-$$(g); $$\Delta $$fHo = +780 kJ mol$$-$$1
Thus, process of formation of O2$$-$$ is isoelectronic with neon. It is due to the fact that,
4
AIPMT 2015
MCQ (Single Correct Answer)
+4
-1
Which of the statements given below is incorrect?
Questions Asked from p-Block Elements (MCQ (Single Correct Answer))
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