Glucose is found to exist in two different α and β crystalline forms. These forms can be obtained...

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Glucose is found to exist in two different α and β crystalline forms. These forms can be obtained by.
(i) The α form of glucose is obtained by crystallisation from concentrated solution of glucose at 303  K.
(ii) The β form of glucose is obtained by crystallisation from concentrated solution of glucose at 303  K.
(iii) The β form is obtained by crystallisation from hot and saturated aqueous solution at 371  K.
(iv) The α form is obtained by crystallisation from hot and saturated aqueous solution at 371  K.
(a) (i) and (iii)
(b) (ii) and (iv)
(c) (ii) and (iii)
(d) (i) only

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