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Select the correct order of atomic radii for the elements of Group 13.

1. B < Al < In < Ga < Tl
2. B < Al < Ga < In < Tl
3. B < Ga < Al < Tl < In
4. B < Ga < Al < In < Tl

Subtopic: Boron Family- Preparations, Properties & Uses |

70%

Level 2: 60%+

NEET - 2018

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AlF₃ is soluble in HF only in the presence of KF due to the formation of:

1.	K₃[AlF₃H₃]	2.	K₃[AlF₆]
3.	AlH₃	4.	K[AlF₃H]

Subtopic: Boron Family- Preparations, Properties & Uses |

80%

Level 1: 80%+

NEET - 2016

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