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Earn 100

How does intramolecular hydrogen bond affect the solubility of the substance?

Important Questions on Chemical Bonding and Molecular Structure

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Given below are two statements: one is labelled as Assertion A and the other is labelled as Reason R.

Assertion A : Dipole-dipole interactions are the only non-covalent interactions, resulting in hydrogen bond formation.

Reason R : Fluorine is the most electronegative element and hydrogen bonds in HF are symmetrical.

In the light of the above statements, choose the most appropriate answer from the options given below:

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The order of melting point of ortho, para, meta-nitrophenol is
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Given below are two statements:

Statement I : o-Nitrophenol is steam volatile due to intramolecular hydrogen bonding.

Statement II : o-Nitrophenol has high melting due to hydrogen bonding.

In the light of the above statements, choose the most appropriate answer from the options given below:

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Which of the following does not form intra-molecular hydrogen bonding?
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The increasing order of the boiling points for the following compounds is:

IC2H5OH      IIC2H5Cl    IIIC2H5CH3   IV C2H5OCH3
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The variation of the boiling points of the hydrogen halides is in the order HF>HI>HBr>HCl . Which of the following option explains the higher boiling point of hydrogen fluoride?
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If the boiling point of H2O is 373 K, and  the boiling point of H2S will be :
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Among the compounds A and B with molecular formula C9H18O3, A is having higher boiling point than B. The possible structures of A and B are:
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What is the actual volume occupied by water molecules present in 20 cm3 of water?
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Which effect best explains that o-nitrophenol is insoluble in water?
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As per magnitude of hydrogen bonding in NH3, H2O and HF, the extent of hydroge bonding is
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Represent the union of two sets by Venn diagram for each of the following.

X={x | x is a prime number between 80 and 100}

Y={y | y is an odd number between 90 and 100}

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What is the correct decreasing order of boiling point of the following compounds?

NH 3 PH 3 AsH 3 SbH 3 H 2 O I II III IV V