Q. At transition temperature two crystalline forms exist in

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Q. 15.1kJ/mole is value of enthalpy change for

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Q. Osillography makes use of

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Q. Forces which hold ionic solids together are

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Q. Strength of dipole dipole forces affect some parameters which by nature are

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Q. Theory which was first given to explain metallic bond was given by

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Q. Compound which has existence in more than 1 crystalline form is

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Q. Closely spaced states in metallic bonds are called

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Q. Among halogens heat of vaporization is maximum for

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Q. Number of electrons present in sodium ions is

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Q. Low volatility is a characteristic of

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Q. Rhombohedral and orthorhombic crystalline forms are characteristic of

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Q. Atom which must be present in hydrogen bonding is

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Q. Exact position of atoms in molecular solids can be determined by

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Q. In ionic solids crystals are formed of negatively and positively charged

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Q. Example of giant molecule having covalent bond is

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Q. Water will boil at 69 degree Celsius at

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Q. Greater number of atoms in a non polar molecule will increase

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Q. In rhombohedral system all angles are of

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Q. Zinc crystals are

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