The correct order of Lewis acid strength of trihalides of boron is:

1. BCl3 > BBr3 > BF3 > BI3

2. BF3 < BBr3 < BCl3 < BI3

3. BF3 < BCl3 < BBr3 < BI3

4. BF3 >BCl3 > BBr3 > BI3

Subtopic:  Boron Family- Preparations, Properties & Uses |
 65%
From NCERT
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
To view explanation, please take trial in the course.
NEET 2025 - Target Batch

The correct order of ease of hydrolysis is :

1. CCl4 < SiCl4 < PCl5 < AlCl3

2. AlCl3 < CCl4 < PCl5 < SiCl4

3. CCl4 < AlCl3 < PCl5 < SiCl4

4. CCl4 < AlCl3 < SiCl4 < PCl5

Subtopic:  Compounds of Carbon, Preparations, Properties & Uses |
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.

It is because inability of ns2 electrons of the valence shell to participate in bonding that

1. Sn2+ is reducing while Pb4+ is oxidising agent

2. Sn2+ is oxidising while Pb4+ is reducing agent

3. Sn2+ and Pb2+ are both oxidising and reducing agent

4. Sn4+ is reducing while Pb4+ is oxidising agent

Subtopic:  Carbon Family - Preparations, Properties & Uses |
 66%
NEET - 2017
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints

advertisementadvertisement

Name the type of the structure of silicate in which one oxygen atom of [SiO4]4- is

shared?

1. Sheet silicate

2. Pyrosilicate

3. three dimensional silicate

4. Linear chain silicate

Subtopic:  Properties of Structure of SiO2 & Other Compounds |
 57%
NEET - 2011
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints

Which of the following oxidation states are the most characteristics for lead and tin respectively?

1. +4, +2                     

2. +2, +4

3. +4, +4                     

4. +2, +2

Subtopic:  Carbon Family - Preparations, Properties & Uses |
 57%
From NCERT
NEET - 2007
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
To view explanation, please take trial in the course.
NEET 2025 - Target Batch

Which one of the following anions is present in chain structure silicates?

(a) Si2O76-                 (b) (Si2O52-)n

(c) (Si2O64-)n               (d) SiO44-

Subtopic:  Properties of Structure of SiO2 & Other Compounds |
From NCERT
NEET - 2007
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
To view explanation, please take trial in the course.
NEET 2025 - Target Batch

advertisementadvertisement

From the B2H6 all the following can be prepared except:

(1) H3BO3

(2) [BH2(NH3)2]+ [BH4]-

(3) B2(CH3)6

(4) NaBH4

Subtopic:  Compounds of Boron- Preparations, Properties & Uses |
 59%
From NCERT
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
To view explanation, please take trial in the course.
NEET 2025 - Target Batch

In B2H6 

(1) there is direct boron-boron bond

(2) the structure is similar to that of C2H6

(3) the boron atoms are linked through hydrogen bridges

(4) all the atoms are in one plane

Subtopic:  Compounds of Boron- Preparations, Properties & Uses |
 82%
From NCERT
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
To view explanation, please take trial in the course.
NEET 2025 - Target Batch

An amphoteric  oxide among the following is-

1. CO2

2. CO

3. SnO2

4. CaO

Subtopic:  Properties of Glass, Pb & Sn compounds |
 82%
From NCERT
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
Links
To view explanation, please take trial in the course.
NEET 2025 - Target Batch

advertisementadvertisement

The element among the following that does not show inert pair effect is-

1. Al 2. Sn
3. Pb 4. Thallium
Subtopic:  Boron Family- Preparations, Properties & Uses |
 75%
From NCERT
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
To view explanation, please take trial in the course.
NEET 2025 - Target Batch