Q:

Which compound matches the IR Spectrum?

spectr1525848245.jpg image

A) 1, 5 – hexadiene	B) 3 – Hexanol
C) Trans – 4 – octene	D) None of the above

Answer & Explanation Answer: A) 1, 5 – hexadiene

Explanation:

3 – Hexanol:

There is no alcohol stretch present in the spectrum. Therefore, the above structure is not suitable for the given spectrum.

Trans – 4 – octene:

There is no vinyl bending present in the spectrum. Therefore, the above structure is not suitable for the given spectrum.

1, 5 – hexadiene:

The vinyl bending and other stretches were matched with the above structure.

Hence, the c = c stretch, vinyl bending and stretch were matched with the above structure.

Therefore, the given spectrum belongs to 1, 5 – hexadiene.

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Q:

Select the synonym of

bounder

A) lout	B) mediocre
C) done	D) decorous

Answer & Explanation Answer: A) lout

Explanation:

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Q:

A person who speaks many languages

A) Polyglot	B) Linguist
C) Bilingual	D) Monolingual

Answer & Explanation Answer: A) Polyglot

Explanation:

Polyglot - A person who knows or speaks many languages.

Linguist - A person who speaks foreign languages.

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Q:

Read each sentence to find out whether there is any error in any part

He was courted arrest(a) in order to protest against(b) corruption among the government servants(c). No error.(d)

A) a	B) b
C) c	D) d

Answer & Explanation Answer: A) a

Explanation:

The phrase ‘was courted’ needs to be replaced with ‘courted’ to make the sentence grammatically and contextually correct. Thus, the correct sentence would be, ‘He courted arrest in order to protest against corruption among the government servants’.

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Q:

Burning Magnesium ribbon produces white ash, which dissolves in water to form____.

A) Magnesium Halides	B) Magnesium Oxide
C) Magnesium Hydroxide	D) Magnesium Sulphate

Answer & Explanation Answer: C) Magnesium Hydroxide

Explanation:

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Q:

Select the antonym of

apocalypse

A) catastrophe	B) miracle
C) decimation	D) holocaust

Answer & Explanation Answer: B) miracle

Explanation:

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Q:

Which of the following reactions are exothermic?

$1) C + O_{2} \to {CO}_{2} 2) 2 Mg + O_{2} \to 2 MgO 3) {CuSO}_{4} + 5 H_{2} O \to {CuSO}_{4} . 5 H_{2} O 4) All the above$

A) 1	B) 2
C) 3	D) 4

Answer & Explanation Answer: D) 4

Explanation:

Here all the given options are Exothermic reactions. Exothermic reactions are those reactions which involves the release of heat.

Generally all the combining reactions are exothermic in nature.

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Q:

Which word or words explains the meaning of the following idioms:-

A fool’s errand

A) A blunder	B) An impossible task
C) A useless undertaking	D) None of these

Answer & Explanation Answer: B) An impossible task

Explanation:

A fool’s errand means a task that has little to no chance of being successful or beneficial.

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