1
JEE Main 2017 (Offline)
MCQ (Single Correct Answer)
+4
-1
Change Language
Which of the following reactions is an example of a redox reaction?
A
$$Xe{F_6}$$ + H2O $$\to$$ $$XeO{F_4}$$ + 2HF
B
$$Xe{F_6}$$ + 2H2O $$\to$$ $$XeO_2{F_2}$$ + 4HF
C
$$Xe{F_4}$$ + O2F2 $$\to$$ $$Xe{F_6}$$ + O2
D
$$Xe{F_2}$$ + PF5 $$\to$$ $${\left[ {XeF} \right]^ + }PF_6^ - $$
2
JEE Main 2017 (Offline)
MCQ (Single Correct Answer)
+4
-1
Change Language
The group having isoelectronic species is:
A
O2- , F- , Na+, Mg2+
B
O2- , F- , Na, Mg2+
C
O- , F- , Na+, Mg2+
D
O- , F- , Na, Mg+
3
JEE Main 2017 (Offline)
MCQ (Single Correct Answer)
+4
-1
Change Language
The correct sequence of reagents for the following conversion will be :

JEE Main 2017 (Offline) Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 265 English
A
CH3MgBr, H+/ CH3OH, [Ag(NH3)2]+OH-
B
[Ag(NH3)2]+OH-, CH3MgBr, H+/ CH3OH
C
[Ag(NH3)2]+OH-, H+/ CH3OH, CH3MgBr
D
CH3MgBr, [Ag(NH3)2]+OH-, H+/ CH3OH
4
JEE Main 2017 (Offline)
MCQ (Single Correct Answer)
+4
-1
Change Language
1 gram of a carbonate (M2CO3) on treatment with excess HCl produces 0.01186 mole of CO2. The molar mass of M2CO3 in g mol–1 is:
A
84.3
B
118.6
C
11.86
D
1186

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