1
JEE Main 2020 (Online) 7th January Morning Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
Amongst the following statements, that which was not proposed by Dalton was :
A
Matter consists of indivisible atoms all the atoms of a given element have.
B
Chemical reactions involve reorganization of atoms. These are neither created not destroyed in a chemical reaction.
C
When gases combine or reproduced in a chemical reactionn they do so in a simple ratio by volume provided all gases are the same T & P.
D
Identical properties including identical mass. Atoms of differemt element differ in mass.
2
JEE Main 2020 (Online) 7th January Morning Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
Match the following :
(i) Riboflavin    (a) Beriberi
(ii) Thiamine    (b) Scurvy
(iii) Pyridoxine   (c) Cheliosis
(iv) Ascorbic acid    (d) Convulsions
A
(i)-(c), (ii)-(d), (iii)-(a), (iv)-(b)
B
(i)-(d), (ii)-(b), (iii)-(a), (iv)-(c)
C
(i)-c, (ii)-(a), (iii)-(d), (iv)-(b)
D
(i)-(a), (ii)-(d), (iii)-(c), (iv)-(b)
3
JEE Main 2020 (Online) 7th January Morning Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
The relative strength of interionic/intermolecular forces in decreasing order is :
A
dipole-dipole $$>$$ ion-dipole $$>$$ ion-ion
B
ion-dipole $$>$$ dipole-dipole $$>$$ ion-ion
C
ion-dipole $$>$$ ion-ion $$>$$ dipole-dipole
D
ion-ion $$>$$ ion-dipole $$>$$ dipole-dipole
4
JEE Main 2020 (Online) 7th January Morning Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
The IUPAC name of complex [Pt(NH3)2Cl(NH2CH3)]Cl is:
A
Diamminechlorido (methanamine) platinum(II)chloride.
B
Biasmmine (methanamine)chlorido platinum(II)chloride.
C
Diamminechlorido (amminomethane) platinum(II) chloride.
D
Diammine (methanamine) chlorido platinum(II)Chloride.
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