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Showing posts with label Chemistry Quiz. Show all posts
Showing posts with label Chemistry Quiz. Show all posts
Thursday, May 16, 2013

The number of gram molecules of chlorine in 6.02  1025hydrogen chloride molecules is 50

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305.    The number of gram molecules of chlorine in 6.02      10 25 hydrogen chloride molecules is (A)   5 (B)   50 (C)   100 (D...

The correct set of four Quantum numbers for outermost electron of Potassium (Z = 19) is

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299     .The correct set of four Quantum numbers for outermost electron of Potassium (Z = 19) is (A)  4, 0, 0,  ...

The condensation polymer among the following is Protein

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293.    The condensation polymer among the following is (A) PVC (B) Polyethene (C) Rubber (D) Protein Answer: : (D) 294.   ...

The chemical name of anisole is Methoxy benzene

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285.    The chemical name of anisole is (A) Ethanoic acid (B) Methoxy benzene (C) Propanone (D) Acetone Answer: : (B) 286. ...

The angle strain in cyclobutane is 9°44'

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279.    The angle strain in cyclobutane is (A) 24°44' (B) 29°16' (C) 19°22' (D) 9°44' Answer: : (D) 280.   ...

Presence of halogen in organic compounds can be detected using Beilstien's test

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271.    Presence of halogen in organic compounds can be detected using (A) Beilstien's test (B) kjeldahl test (C) Duma's te...

One mole of oxygen at 273 k and one mole of sulphur dioxide at 546 k are taken in two separate containers, then, kinetic energy of O2 < kinetic energy of SO2.

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265.    One mole of oxygen at 273 k and one mole of sulphur dioxide at 546 k are taken in two separate containers, then, (A) kinetic en...

n-propyl bromide on treating with alcoholic KOH produces propene

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259.    n-propyl bromide on treating with alcoholic KOH produces (A) propane (B) propene (C) propyne (D) propanol Answer: : (B)...

Molecules of a noble gas do not possess vibrational energy because a noble gas is monoatomic

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251.    Mesomeric effect involves delocalisation of (A) pi electrons (B) sigma electrons (C) protons (D) none of these Answer: ...

ln electrophillic aromatic substitution reaction, the nitro group is meta directing because it decreases electron density at meta position

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244.    ln electrophillic aromatic substitution reaction, the nitro group is meta directing because it (A) increases electron density a...