Q:

Trichloroacetaldehyde was subject to Cannizzaro's reaction by using NaOH. The mixture of the products contains sodium trichloroacetate and another compound. The other compound is :

A) Chloroform	B) 2, 2, 2-Trichloroethanol
C) Trichloromethanol	D) 2, 2, 2-Trichloropropanol

Answer & Explanation Answer: B) 2, 2, 2-Trichloroethanol

Explanation:

$\begin{matrix} C l \\ | \\ C l & - & C & - & C H O \\ | \\ C l \end{matrix}$ $\to_{C a n n i z z a r o' s R e a c t i o n}^{N a O H}$ $\begin{matrix} C l \\ | \\ C l & - & C & - & C O O N a \\ | \\ C l \end{matrix}$ $+$ $\begin{matrix} C l \\ | \\ C l & - & C & - & C H_{2} \\ | 2 & 1 \\ C l \end{matrix}$ $- O H$

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Filed Under: Chemistry
Exam Prep: AIEEE

7 6062

Q:

Oxidation Number of 'S' in $H_{2} S O_{4}$ ?

A) +6	B) +2
C) -6	D) -2

Answer & Explanation Answer: A) +6

Explanation:

In $H_{2} S O_{4}$ ,

Hydrogen has a charge of +2, with each hydrogen has +1.

Oxygen has a charge of -8, with each oxugen has -2.

Total charge = (2 - 8) = -6

Therefore, the Oxidation number of Sulphur S is '+6' because to make the compound stable.

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Filed Under: Chemistry
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11 6060

Q:

Social Rights will not include _____ of the following?

A) Adivasi	B) Women
C) Care for Political Section	D) Children

Answer & Explanation Answer: C) Care for Political Section

Explanation:

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24 6060

Q:

Organisms which synthesise their own food are called

A) autotrophs	B) heterotrophs
C) auxotrophs	D) saprotrophs

Answer & Explanation Answer: A) autotrophs

Explanation:

Autotroph: This term means organisms that synthesise their own food. Troph means feeding. Auto means self. The green plants which synthesise their own food are called autotrophs. All others which depend upon the plants directly or indirectly are called heterotrophs.

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Filed Under: Biology

10 6058

Q:

Who discovered the solar system

A) Copernicus	B) Kepler
C) Aryabhatta	D) Newton

Answer & Explanation Answer: A) Copernicus

Explanation:

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Filed Under: World Geography

3 6058

Q:

In computer network nodes are

A) the computer that terminates the data	B) the computer that originates the data
C) the computer that routes the data	D) all of the mentioned

Answer & Explanation Answer: D) all of the mentioned

Explanation:

In computer network nodes are

* the computer that terminates the data

* the computer that originates the data

* the computer that routes the data

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Filed Under: Computer
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7 6053

Q:

The paintings in the Ajanta and Ellora caves are indicative of the development of art under the -

A) Pallavas	B) Chalukyas
C) Pandyas	D) Rashtrakutas

Answer & Explanation Answer: B) Chalukyas

Explanation:

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Filed Under: Indian Culture

80 6053

Q:

Who founded 'Yoga Shastra' the school of Hindu philosophy

Answer

Patanjali

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Subject: Indian Culture

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