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Which of the reactions will need the maximum amount of energy?Anonymous voting
- Na → Na+ + e–
- Ca+ → Ca++ + e–
- K+ → K+ ++ e–
- C2+ → C3+ + e–
For the same value of n, the penetration power of orbital follows the orderAnonymous voting
- s = p = d = f
- p > s > d > f
- f < d < p < s
- s < p < d < f
Which of the following is an isomer of ethanol ?Anonymous voting
- Dimethyl ether
- Diethyl ether
- Methanol
- Acetone
Dihydrogen can release ______ more energy than petrolAnonymous voting
- Three times
- Four times
- Two times
- 10 times
Which among the following is a electrophile ?Anonymous voting
- BF₃
- NC⁻
- CH₃
- None of these
Which of the following pair shows metamerism?Anonymous voting
- Pentane and isopentane
- Methoxypropane and Ethoxyethane
- Propanone and propanal
- None of these
"This reaction is
HOCl + H₂O₂ → H₃O⁺ + Cl⁻ + O₂
"Anonymous voting
- Oxidizing action of H₂O₂ in acidic medium
- Reducing action of H₂O₂ in acidic medium
- Oxidizing action of H₂O₂ in Basic medium
- Reducing action of H₂O₂ in basic medium
How many water of crystallisation are present in hydrated LiCl?Anonymous voting
- 1
- 2
- 3
- 4
Which of the following is electronic configuration of Cs?Anonymous voting
- [Rn] 6s¹
- [Xe] 5s¹
- [Rn] 7s¹
- [Xe] 6s¹
The alkali metals show ____ trends in their physical and chemical properties with the increasing atomic number.Anonymous voting
- irregular
- distorted
- regular
- Plateau-like
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