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The resonance hybrid differs from the resonating structures:
Answer: A. In bond lengths The resonance hybrid differs from the resonating structures in the bond lengths.
Answer: A. In bond lengths
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Which of the following properties is most commonly possessed by nucleophiles?
Answer: D. A lone pair of electrons The properties a lone pair of electron is most commonly possessed by nucleophiles.
Answer: D. A lone pair of electrons
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Homolytic fission of a covalent bond always leads to the formation of free radical. The structures of free radical is:
Answer: A. Trigonal Homolytic fission of a covalent bond always leads to the formation of free radical. The structure of free radical is trigonal.
Answer: A. Trigonal
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The resonating structures:
Answer: A. Differ only in the arrangements of electrons The resonating structures differ only in the arrangements of electrons.
Answer: A. Differ only in the arrangements of electrons
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A nucleophile must necessarily have:
Answer: B. A lone pair of electrons A nucleophile necessarily have a lone pair of electrons.
Answer: B. A lone pair of electrons
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Heterolytic fission results in the formation of:
Answer: B. Carbocation Heterolytic fission results in the formation of carbocation.
Answer: B. Carbocation
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Homolytic fission of a covalent bond results in the formation of:
Answer: B. Free radical Homolytic fission of a covalent bond results in the formation of free radical.
Answer: B. Free radical
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Which element out of the following react with caustic soda solution to produce H2 gas?
Answer: C. Aluminium The element aluminium react with caustic soda solution to produce H2 gas.
Answer: C. Aluminium
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Which of the following is not an ore of aluminium?
Answer: D. Carnalite Carnalite is not an ore of aluminium.
Answer: D. Carnalite
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The first ionisation enthalpy of Mg is more than that of because:
Answer: D. Atomic number of Al>Mg The first ionisation enthalpy of Mg is more than that of because atomic number of Al>Mg.
Answer: D. Atomic number of Al>Mg
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