Which of the following hydrogen halide is most volatile?

Important Questions on Chemical Bonding and Molecular Structure

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11th CBSE

IMPORTANT

Pradeep's Chemistry Vol 1>Chapter 4 - Chemical Bonding and Molecular Structure>Competition Focus>Q 107

How many hydrogen bonded water molecule(s) are associated with ${\mathrm{CuSO}}_4.5{\mathrm{H}}_2\mathrm{O}$ ?

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11th CBSE

IMPORTANT

Pradeep's Chemistry Vol 1>Chapter 4 - Chemical Bonding and Molecular Structure>Competition Focus>Q 108

Ortho-Nitrophenol is less soluble in water than p and m- Nitrophenol because

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11th CBSE

IMPORTANT

Pradeep's Chemistry Vol 1>Chapter 4 - Chemical Bonding and Molecular Structure>Competition Focus>Q 109

The hydrogen bond is shortest in

HARD

11th CBSE

IMPORTANT

Pradeep's Chemistry Vol 1>Chapter 4 - Chemical Bonding and Molecular Structure>Competition Focus>Q 110

Which one of the following statement is correct?

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11th CBSE

IMPORTANT

Pradeep's Chemistry Vol 1>Chapter 4 - Chemical Bonding and Molecular Structure>Competition Focus>Q 111

The variation of boiling points of hydrogen halides is in the order $\mathrm{HF} > \mathrm{HI} > \mathrm{HBr} > \mathrm{HCl}$. What explains the higher boiling point of hydrogen fluoride?

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11th CBSE

IMPORTANT

Pradeep's Chemistry Vol 1>Chapter 4 - Chemical Bonding and Molecular Structure>Competition Focus>Q 112

Which one of the following compounds shows the presence of intramolecular hydrogen bond?

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11th CBSE

IMPORTANT

Pradeep's Chemistry Vol 1>Chapter 4 - Chemical Bonding and Molecular Structure>Competition Focus>Q 113

Among${\mathrm{KO}}_2, {{\mathrm{AlO}}_2}^{-}, {\mathrm{BaO}}_2$ and ${{\mathrm{NO}}_2}^{+}$, unpaired electron is present in

HARD

11th CBSE

IMPORTANT

Pradeep's Chemistry Vol 1>Chapter 4 - Chemical Bonding and Molecular Structure>Competition Focus>Q 114

Hybridisation of $\mathrm{Al}$ in ${\mathrm{AlCl}}_3$ (monomeric form above $800°\mathrm{C}$) and ${\mathrm{Al}}_2{\mathrm{Cl}}_6$ (dimeric form below $400°\mathrm{C}$) respectively are