1
TS EAMCET 2020 (Online) 14th September Morning Shift
MCQ (Single Correct Answer)
+1
-0

The reaction of one mole of 3-ethyl-3-methylpenta-1, 4-diene with $\mathrm{O}_3$ and then with $\mathrm{Zn} / \mathrm{H}_2 \mathrm{O}$, gives

A
TS EAMCET 2020 (Online) 14th September Morning Shift Chemistry - Hydrocarbons Question 2 English Option 1
B
TS EAMCET 2020 (Online) 14th September Morning Shift Chemistry - Hydrocarbons Question 2 English Option 2
C

TS EAMCET 2020 (Online) 14th September Morning Shift Chemistry - Hydrocarbons Question 2 English Option 3

D

TS EAMCET 2020 (Online) 14th September Morning Shift Chemistry - Hydrocarbons Question 2 English Option 4

2
TS EAMCET 2020 (Online) 14th September Morning Shift
MCQ (Single Correct Answer)
+1
-0

Which of the following reactions gives carboxylate ion in their reaction mixture?

TS EAMCET 2020 (Online) 14th September Morning Shift Chemistry - Aldehyde and Ketone Question 5 English
A

I and II

B

II and III

C

I and III

D

III and IV

3
TS EAMCET 2020 (Online) 14th September Morning Shift
MCQ (Single Correct Answer)
+1
-0

The product formed when aniline is treated with chloroform in the presence of KOH (alcoholic) is

A

Phenol

B

Phenyl isothiocyanate

C

Phenyl isocyanide

D

Cyanobenzene

4
TS EAMCET 2020 (Online) 14th September Morning Shift
MCQ (Single Correct Answer)
+1
-0

Given that for any $n \in \mathbf{N}$ there exist an odd integer $q$ and a non-negative integer $r$ such that, $n$ can be written uniquely as $n=q \times 2^r$.

Let $f: \mathbf{N} \rightarrow \mathbf{N} \times \mathbf{N}$ be function defined by $f(n)=\left(r+1, \frac{q+1}{2}\right)$. Then,

A

$f$ is one-one but not onto

B

$f$ is onto but not one-one

C

$f$ is a bijection

D

only $f^{-1}(1,1)$ does not exist because $f$ is not a bijection

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