1
TG EAPCET 2024 (Online) 11th May Morning Shift
MCQ (Single Correct Answer)
+1
-0
The correct formula of borax is $\mathrm{Na}_{2}\left[\mathrm{~B}_{4} \mathrm{O}_{5}(\mathrm{OH})_{x}\right] \cdot y \mathrm{H}_{2} \mathrm{O}$. The sum of $x$ and $y$ is
A
14
B
09
C
12
D
10
2
TG EAPCET 2024 (Online) 11th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

Which among the following oxoacids of phosphorous will have $\mathrm{P}-\mathrm{O}-\mathrm{P}$ bonds?

I. $\mathrm{H}_{4} \mathrm{P}_{2} \mathrm{O}_{5}$

II. $\mathrm{H}_{4} \mathrm{P}_{2} \mathrm{O}_{6}$

III. $\mathrm{H}_{4} \mathrm{P}_{2} \mathrm{O}_{7}$

IV. $\left(\mathrm{HPO}_{3}\right)_{3}$

A
III and IV
B
I and II
C
I and III
D
II and IV
3
TG EAPCET 2024 (Online) 10th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

What are $X$ and $Y$ respectively in the following reactions ?

$ X \stackrel{\mathrm{CO}}{\longleftarrow} \mathrm{~B}_{2} \mathrm{H}_{6} \xrightarrow[\left(\mathrm{C}_{2} \mathrm{H}_{5}\right)_{2} \mathrm{O}]{\mathrm{NaH}} Y $

A
$\mathrm{BH}_{3} \cdot 2 \mathrm{CO} ; \mathrm{NaBO}_{2}$
B
$\mathrm{BH}_{3} \cdot \mathrm{CO} ; \mathrm{NaBH}_{4}$
C
$\mathrm{BH}_{3} \cdot \mathrm{CO} ; \mathrm{NaBO}_{2}$
D
$\mathrm{BH}_{3} \cdot \mathrm{CO} ; \mathrm{Na}_{2} \mathrm{~B}_{4} \mathrm{O}_{7}$
4
TG EAPCET 2024 (Online) 10th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

Which of the following statements are correct?

(i) $\mathrm{CCl}_{4}$ undergoes hydrolysis easily

(ii) Diamond has directional covalent bonds

(iii) Fullerene is thermodynamically most stable allotrope of carbon

(iv) Glass is a man-made silicate

The correct answer is

A
i, iii only
B
ii, iv only
C
ii, iii, iv only
D
i, ii only
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