1
JEE Main 2022 (Online) 28th July Evening Shift
MCQ (Single Correct Answer)
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-1
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The formulas of A and B for the following reaction sequence

JEE Main 2022 (Online) 28th July Evening Shift Chemistry - Biomolecules Question 70 English

are

A
$$\mathrm{A}=\mathrm{C}_{7} \mathrm{H}_{14} \mathrm{O}_{8}, \quad \mathrm{~B}=\mathrm{C}_{6} \mathrm{H}_{14}$$
B
$$\mathrm{A}=\mathrm{C}_{7} \mathrm{H}_{13} \mathrm{O}_{7}, \quad \mathrm{~B}=\mathrm{C}_{7} \mathrm{H}_{14} \mathrm{O}$$
C
$$\mathrm{A}=\mathrm{C}_{7} \mathrm{H}_{12} \mathrm{O}_{8}, \quad \mathrm{~B}=\mathrm{C}_{6} \mathrm{H}_{14}$$
D
$$\mathrm{A}=\mathrm{C}_{7} \mathrm{H}_{14} \mathrm{O}_{8}, \quad \mathrm{~B}=\mathrm{C}_{6} \mathrm{H}_{14} \mathrm{O}_{6}$$
2
JEE Main 2022 (Online) 28th July Evening Shift
MCQ (Single Correct Answer)
+4
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JEE Main 2022 (Online) 28th July Evening Shift Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 91 English

Find out the major product for the above reaction.

A
JEE Main 2022 (Online) 28th July Evening Shift Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 91 English Option 1
B
JEE Main 2022 (Online) 28th July Evening Shift Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 91 English Option 2
C
JEE Main 2022 (Online) 28th July Evening Shift Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 91 English Option 3
D
JEE Main 2022 (Online) 28th July Evening Shift Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 91 English Option 4
3
JEE Main 2022 (Online) 28th July Evening Shift
Numerical
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2L of 0.2M H2SO4 is reacted with 2L of 0.1M NaOH solution, the molarity of the resulting product Na2SO4 in the solution is _________ millimolar. (Nearest integer)

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4
JEE Main 2022 (Online) 28th July Evening Shift
Numerical
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If the wavelength for an electron emitted from $$\mathrm{H}$$-atom is $$3.3 \times 10^{-10} \mathrm{~m}$$, then energy absorbed by the electron in its ground state compared to minimum energy required for its escape from the atom, is _________ times. (Nearest integer)

$$\left[\right.$$ Given $$: \mathrm{h}=6.626 \times 10^{-34} \mathrm{~J} \mathrm{~s}$$ ]

Mass of electron $$=9.1 \times 10^{-31} \mathrm{~kg}$$

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